CVEvulnerability

CVE-2026-45247

9.3 CRITICAL Known exploited Published 2026-05-26 Modified 2026-07-24 Official page ↗

CISA Known Exploited Vulnerability

Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability — Mirasvit Mirasvit Full Page Cache Warmer

Mirasvit Full Page Cache Warmer contains a deserialization of untrusted data vulnerability that could allow unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie.

Added to KEV: 2026-06-03
Remediation due: 2026-06-06
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer ; https://nvd.nist.gov/vuln/detail/CVE-2026-45247

Status: Analyzed
Published: 2026-05-26
Last modified: 2026-07-24
Assigner: [email protected]
CVSS 4.0 ([email protected]): 9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-502

Description

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted call to PHP's native unserialize() function combined with gadget chains available in Magento and its dependencies to execute arbitrary code on the server.

Affected configurations

• mirasvit full page cache warmer (< 1.11.12)

Weakness · CWE (1)

CWE-502 Deserialization of Untrusted Data weakness

References